from selenium import webdriver
from selenium.webdriver.common.keys import Keys

driver = webdriver.Firefox()
driver.get('http://bt.meituan.com/meishi/api/poi/getPoiList?platform=1&partner=126&originUrl=http%3A%2F%2Fbt.meituan.com%2Fmeishi%2Fsales%2F&riskLevel=1&optimusCode=1&cityName=%E5%8C%85%E5%A4%B4&cateId=0&areaId=0&sort=sales&dinnerCountAttrId=&page=1&userId=0')

driver.get('http://bt.meituan.com/meishi/api/poi/getPoiList?platform=1&partner=126&originUrl=http%3A%2F%2Fbt.meituan.com%2Fmeishi%2Fsales%2F&riskLevel=1&optimusCode=1&cityName=%E5%8C%85%E5%A4%B4&cateId=0&areaId=0&sort=sales&dinnerCountAttrId=&page=2&userId=0')
driver.page_source